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Table 1 Comparison of demographic, diagnostic data and characteristics of CSF in neonates with non-traumatic LPs and traumatic LPs

From: Interpretation of white blood cell counts in the cerebrospinal fluid of neonates with traumatic lumbar puncture: a retrospective cohort study

  NON-TRAUMATIC LPs (N = 621) TRAUMATIC LPs
(N = 432)
P
Demographic data
 Gestational age (weeks), median (IQR) 40 (39–41) 40 (38–40.5) 0.065*
 Neonatal age (days), median (IQR) 1 (1–3) 1 (1–2) 0.005*
 Prematurity (n), (%) 67 (10.9%) 64 (14.8%) 0.050
 Weight (grams), medium (IQR) 3,340.5 (2,922.5–3,668.0) 3,301.0 (2,900.5–3,675.0) 0.462*
 Sex (n male), (% male) 389 (62.6%) 261 (60.6%) 0.513
Final diagnosis
 Bacterial meningitis (n), (%) 8 (1.3%) 11 (2.5%) 0.131
 Viral meningitis (n), (%) 11 (1.8%) 4 (0.9%) 0.255
CSF parameters
 RBC (cells/mm3), median (IQR) 37.0 (5.0–193.5) 12,093.5 (3,452.8–41,800.0)  < 0.001*
 WBC (cells/mm3), median (IQR) 7.0 (2.0–13.0) 30.0 (12.0–82.8)  < 0.001*
  1. Abbreviations: IQR interquartile range
  2. * is Mann–Whitney test
  3. is Chi-squared test